Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
-niak
→
Polish
kapuśniak
(suffix)
→
Polish
wieśniak
(affix)
→
Polish
młodniak
(affix)
→
Polish
dębniak
(affix)
→
Polish
oczeretniak
(affix)
→
Polish
grabniak
(affix)